28439445

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 47101824

約数和(自身を除く): 18662379

約数列:

[1, 3, 5, 15, 41, 123, 131, 205, 353, 393, 615, 655, 1059, 1765, 1965, 5295, 5371, 14473, 16113, 26855, 43419, 46243, 72365, 80565, 138729, 217095, 231215, 693645, 1895963, 5687889, 9479815, 28439445]

約数ペア:

[(1, 28439445), (3, 9479815), (5, 5687889), (15, 1895963), (41, 693645), (123, 231215), (131, 217095), (205, 138729), (353, 80565), (393, 72365), (615, 46243), (655, 43419), (1059, 26855), (1765, 16113), (1965, 14473), (5295, 5371)]